15.45. Version 4.3.8 (2014-02-25)

VMM: more work on improving the emulation of certain MSR registers (e.g. bugs #12224, #12544)

VMM: fixed a VERR_INVALID_RPL Guru Meditation when booting certain guests (bug #11350)

VMM: experimental support for SSE 4.1 / SSE 4.2 passthrough, see the user manual how to enable it (bug #8651)

VMM: fix for recent Linux kernels with software virtualization

GUI: experimental HID LEDs synchronization for Windows hosts, see Section 9.28, “Support for keyboard indicators synchronization”

GUI: warn the user if the Oracle Extension Pack is not installed and the user tries to activate the remote display feature (bug #9104)

GUI: make sure that a minimized guest (using mini toolbar in full screen / seamless mode) keeps the minimized state (bug #12199)

GUI: popup banner's "do not show this message again" check-box replaced with corresponding button

GUI: network adapter cables can now be connected/disconnected directly through the running virtual machine Devices / Network menu a Network status-bar indicator

GUI: the new VM wizard now proposes 64-bit guests on 64-bit hosts by default; better distinction between 32-bit OS types 64-bit OS types (bug #12533)

GUI: better error message if appliance import fails (bug #12657)

GUI: allow to set host-combination to 'None' using the Global settings / Input page (bug #12730)

GUI: don't switch the guest to a black screen during online snapshot merge (4.3 regression)

VBoxManage: when exporting an appliance, support the suppression of MAC addresses, which means they will be always recreated on import, avoiding duplicate MAC addresses for VMs which are imported several times

AHCI: fixed a VM hang during suspend under certain circumstances

AHCI: fixed a VM hang during online snapshot merge under certain circumstances

AHCI: fixed a bug which resulted in Windows XP guest hangs if a SATA CDROM is attached (bug #12417)

AHCI: fixed a Guru Meditation under certain conditions

AHCI: ejecting a CD/DVD medium failed under certain conditions

AHCI: disk hotplugging fixes

NAT: transparent handling of host sleep/resume and network configuration changes if the dnsproxy is enabled or if the hostresolver is used (bug #12441)

NAT: fixed crash and misbehaviour under some circumstances with ICMP packets having TTL=1

NAT Network: fixed IPv6 reassembly

NAT Network: ping proxy implemented

OVF: fixed reading of the OVF 0.9 section element (4.3 regression; bug #12345)

OVF: several fixes

3D support: several fixes, multiscreen fixes (e.g. bug #9124)

3D support: include 3D content in captured videos (bug #12666)

3D support: include 3D content in captured screenshot (bug #11758)

VGA: proper handling of legacy graphics modes if the Guest Additions are active (bug #6649)

USB: fixed crash during isochronous transfer under rare circumstances

BIOS: better disk geometry handling of SCSI drives

API: fix crashes in Java API clients using the XPCOM binding, happened with output parameters only (bug #11232)

VBoxSVC: documented the handling of host power management events (see Section 9.26, “Handling of host power management events”) and added an extradata item for configuring the handling of the battery-low event (bug #9925)

VBoxSVC: fixed a bug which could trigger a crash if a VM snapshot was restored the second time and the VM has associated bandwidth groups (bug #12569)

VBoxSVC: properly detect ifconfig if located in /bin (bug #12713)

Shared Folders: fixed a failure to restore transient shared folders when starting a VM from a saved state (bug #12578)

Mac OS X hosts: fixed issue when the application icon was frozen in the dock if the bridging interface was not connected to a network (bug #12241)

Linux hosts: also consider the physical package ID when determining the number of physical CPU cores

Linux hosts / guests: don't warn in kernel log if memory allocation fails (bug #11171)

Solaris hosts: fixed the autostart SMF script (bug #11720)

Windows hosts: fixes for non-ANSI code page user names and similar environment contents (bug #12596)

Windows hosts / guests: fixed setting and using a guest user's process environment variables (relevant for Guest Control)

Windows Additions: fixed handle leaks in VBoxTray (bug #12563)

Windows Additions: fixed a crash while detecting active guest users

Windows Additions: fixed restoring backed up D3D files on XPDM -> WDDM upgrade

Guest Control: fixed setting and using a guest user's process environment variables

Linux Additions: support Enterprise Linux 6.5 kernels (bug #12505)

Linux Additions: fixed CPU hot-remove on newer Linux kernels

Linux / Solaris Additions: don't automount a shared folder which is already mounted

X11 Additions: support X.Org Server 1.15 (bug #12623)